Central Bureau for Astronomical Telegrams
IAUC 4627: 1980 PA
The following International Astronomical Union Circular may be linked-to from your own Web pages, but must not otherwise be redistributed (see these notes on the conditions under which circulars are made available on our WWW site).
Read IAUC 4628
Circular No. 4627
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM Telephone 617-495-7244/7440/7444
MARSDEN or GREEN@CFA.BITNET MARSDEN or GREEN@CFAPS2.SPAN
1980 PA
J. Gibson has recovered this Amor-type object at Palomar as shown
below. The indicated correction to the prediction on MPC 13059 (elements
on MPC 12964) is Delta T = -0.27 day.
1988 UT R.A. (1950) Decl. V
July 6.43484 21 39 41.53 -10 26 41.9 18.5
6.43891 21 39 41.71 -10 26 39.5
7.42399 21 40 29.84 -10 16 53.1
7.42822 21 40 30.02 -10 16 50.7
8.44556 21 41 18.42 -10 06 41.7
8.44984 21 41 18.60 -10 06 39.4
8.45516 21 41 18.82 -10 06 36.1
The following improved orbital elements, by B. G. Marsden, Center
for Astrophysics, satisfy 28 observations 1980-1988 with mean residual 1".1:
Epoch = 1988 Aug. 27.0 ET
T = 1988 Oct. 18.6229 ET Peri. = 125.2039
e = 0.458663 Node = 261.6332 1950.0
q = 1.042562 AU Incl. = 2.1633
a = 1.925903 AU n = 0.3687674 P = 2.673 years
1988 ET R.A. (1950) Decl. Delta r V
July 8 21 40.96 -10 11.0
18 21 47.90 - 8 27.3 0.462 1.431 18.0
28 21 52.89 - 6 32.8
Aug. 7 21 56.04 - 4 21.0 0.304 1.307 16.7
17 21 57.83 - 1 42.2
27 21 59.80 + 1 42.6 0.189 1.195 15.4
Sept. 1 22 01.63 + 3 51.9
6 22 04.65 + 6 26.6 0.145 1.147 14.9
11 22 09.59 + 9 34.7
16 22 17.55 +13 27.9 0.110 1.106 14.4
21 22 30.21 +18 21.0
26 22 50.16 +24 29.2 0.082 1.074 13.8
Oct. 1 23 21.50 +31 55.7
6 0 10.32 +40 00.2 0.064 1.052 13.4
11 1 21.53 +46 42.8
16 2 46.99 +49 30.8 0.063 1.043 13.6
1988 July 14 (4627) Daniel W. E. Green
Read IAUC 4628
Our Web policy. Index to the CBAT/MPC/ICQ pages.
